Hotel / Hospitality Management

No, you have to complete your 12th before jumping to HM field.

Your ranking should be below 1000 for OBC category.

Go through the below given link:
https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/exams/iihm-echat

You can get a very good AIR. You may get a rank below 1000 and can get admission in a top college.

Hotel management is the study of professional hotel administration and catering. As the number of tourists visiting the country is increasing in number, there is a steep rise in the growth of the hotel management industry and with this pace it will show an even greater growth in the years to come.

Yes
With your resume, you can work any where in the world.

Yes, if you want to explore the world, hotel management is a good option for you. You can get transferred to different branches and different countries to know about the food culture of that country.

Good afternoon dear,
Both are equally good, BBA in HR would focus on other subjects as well in the first year of the degree, whereas, BHM will totally focus on HR.
So, for a better understanding, I would suggest you to go for BBA or rather B.Com (Hons).
All the best.

IHM Chandigarh or also known as Dr Ambedkar Institute of Hotel Management. That's the best Institute in Chandigarh.

CBSE is better. But hotel management entrance is based on your basics. So, to get into IHM-Mumbai you have to study hard and come in the top rank list.